Here's Lucy Season 1 - Episode 11 | CBS 1968

A con man pretending to be Van Johnson scams Lucy out of $23.50. After that, a Texas oil millionaire comes to the Unique Employment Agency and asks for a celebrity to sing to his prized cow, Ethel, on her birthday. Lucy suggests Van Johnson, but when she goes to meet the real one and asks for her money back, she is thrown out.